Flexural Behaviour Of A Polymeric
Foam/glass-fibre Composite:
FE Modelling And Experimental Testing
Author(s)
G. Belingardi, M. P. Cavatorta & L. Peroni
Abstract
The paper describes the experimental testing and FE modelling of sandwich
beams under bending loads. The faces are made of glass fibres in epoxy resin.
The core is a polymeric foam, with a net of resin walls perpendicular to the faces
having a pitch of about 30 mm. Flexural tests were run on the face and core
materials and the sandwich structure. For the sandwich, failure occurred due to
core shear cracking. Simulation of flexural tests was run up to formation of the
first crack within the core. 2D and 3D models of the sandwich beam were
implemented. At first, models were validated by comparison with Pagano
analytical elasticity theory and Swanson experimental and FEM data. Then, FE
models were run to simulate the flexural test on the face and core materials and
the sandwich. Co
Keywords
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